Sony SRS-X99 Help Manual page 349

Help Guide
Troubleshooting
Personal Audio System
SRS-X99
There is noise, skipping, or distorted sound
An unsupported USB device is connected. Refer to the URL in "Compatible USB devices" and use a supported USB
device.
Turn off the speaker, then reconnect the USB device and turn on the speaker.
The music data itself contains noise, or the sound is distorted. In this case, delete the music file from the USB device
and copy the original music file again to the USB device. If noise or distorted sound occurs in the same playback
position each time, the music data may be corrupted.
The bit rate used when encoding files was too low. In this case, delete the music file from the USB device and copy
the original music file again at a higher bit rate to the USB device.
Related Topic
Compatible USB devices
4-567-508-11(1)
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